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Definition of Tick-borne rickettsiosis, north Asian
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Tick-borne rickettsiosis, north Asian: One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to Rocky Mountain spotted fever, but less severe, with fever, a small ulcer (eschar) at the site of the tick bite, swollen glands nearby (satellite lymphadenopathy), and a red raised (maculopapular) rash.